CFI to HSR
Thread Starter
Melting Slicks
Joined: Jan 2005
Posts: 2,658
Likes: 4
From: Clifton Park NY
CFI to HSR
Thought maybe I'd post some of this here as well. Most of the information is on SV.
Thought maybe some of you guys might have an interest in this build
The project for the winter is converting my 84 CFI to an HSR
This is going to be a few week long process. It will be updated along the way.
Parts ( this will be updated as this progresses)
HSR and Fuel Rail kit from Holley- (FREE)
92- LT1 Throttle body 52mm rebuilt - $100 (used)
30lb injectors new O-rings and flow tested $80 (used)
Dynamic EFI's EBL/Flash ECM- Already have sent out for the multi-port upgrade ($25)
Throttle Cable Bracket- FREE
LT1 Fuel pump- Adanced Auto ($89)
TPI Knock Sensor
TPS Sensor
Manifold Air Temp Sensor
Will be listing parts numbers and prices shortly
89-Chevy truck small cap distributor and remote coil
88- Grand Prix-(8) fuel injector connectors ($40, includes the distributor/Coil)
The CFI ( Actually the X-ram)
Mock up of HSR
Overall Height of the HSR
First Problem, Throttle linkage hits the fuel rail elbow. This is not allow the TB to return all the way. I will have to grind down the inside of the cable guide to allow it to return all the way.
Xram compared to the HSR
HSR sitting in place to start figuring out all the small stuff
Thought maybe some of you guys might have an interest in this build
The project for the winter is converting my 84 CFI to an HSR
This is going to be a few week long process. It will be updated along the way.
Parts ( this will be updated as this progresses)
HSR and Fuel Rail kit from Holley- (FREE)
92- LT1 Throttle body 52mm rebuilt - $100 (used)
30lb injectors new O-rings and flow tested $80 (used)
Dynamic EFI's EBL/Flash ECM- Already have sent out for the multi-port upgrade ($25)
Throttle Cable Bracket- FREE
LT1 Fuel pump- Adanced Auto ($89)
TPI Knock Sensor
TPS Sensor
Manifold Air Temp Sensor
Will be listing parts numbers and prices shortly
89-Chevy truck small cap distributor and remote coil
88- Grand Prix-(8) fuel injector connectors ($40, includes the distributor/Coil)
The CFI ( Actually the X-ram)
Mock up of HSR
Overall Height of the HSR
First Problem, Throttle linkage hits the fuel rail elbow. This is not allow the TB to return all the way. I will have to grind down the inside of the cable guide to allow it to return all the way.
Xram compared to the HSR
HSR sitting in place to start figuring out all the small stuff
Thread Starter
Melting Slicks
Joined: Jan 2005
Posts: 2,658
Likes: 4
From: Clifton Park NY
Well its a full size HSR, it was won from holley. I won one of the carbs but didn't have any use for one. They gave me the HSR and fuel rails in place. Nice guys!
I already use the EBL/Flash so driving it with a tunable ecm won't be a problem.
I have a huge bunch of photos and everything thats going on with it at SV in the C4 tech section if you want to read about all the details.
I already use the EBL/Flash so driving it with a tunable ecm won't be a problem.
I have a huge bunch of photos and everything thats going on with it at SV in the C4 tech section if you want to read about all the details.
Thread Starter
Melting Slicks
Joined: Jan 2005
Posts: 2,658
Likes: 4
From: Clifton Park NY
I'm also pulling some other stuff off as well.. so its gonna be a long winter but well worth it in the spring!
Burning Brakes
Joined: Jan 2008
Posts: 1,187
Likes: 1
From: Superior WI
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Thread Starter
Melting Slicks
Joined: Jan 2005
Posts: 2,658
Likes: 4
From: Clifton Park NY
JS292 on the crossfire forum did that for me. Get in touch with him and maybe he can hook you up....
Le Mans Master
Joined: May 2006
Posts: 9,226
Likes: 9
From: Irvine Ca
Thread Starter
Melting Slicks
Joined: Jan 2005
Posts: 2,658
Likes: 4
From: Clifton Park NY
Just to fill you guys in a bit.
The TB i'm using is a 90 version. So I do have to replace my throttle cable. Already found a used one I think
The TV cable also has to be replace because it isn't long enough, not a big deal. The CFI's cable goes from the left side of the tranny to the center of the intake, so it won't reach the TB. Short by about 8-10 inches.
Fuel lines aren't going to be a problem, just a little bit of re routing and making certain it can handle the extra psi to it. Remember the CFI works on 9-13 psi, the HSR is gonna be closer to 40-45 psi.
I took the used fuel injector connectors I got at the local junkyard and made my own harness. I left the pigtails quite long so I have plenty to work with when I make my final connection.
Since I am using a TB that has the coolant pass through it I had a minor problem. Its in the way of the upper heater hose connection as seen here.
To rectify this problem I cut the IAC housing down to this.
For those of you that wanted to know more about a X ram here you go
Top View
Cover of the plenum removed- notice the unburned fuel on the left side?
Entire plenum removed
I still have a ton more pics so if theres anything you want to see just ask.
The TB i'm using is a 90 version. So I do have to replace my throttle cable. Already found a used one I think
The TV cable also has to be replace because it isn't long enough, not a big deal. The CFI's cable goes from the left side of the tranny to the center of the intake, so it won't reach the TB. Short by about 8-10 inches.
Fuel lines aren't going to be a problem, just a little bit of re routing and making certain it can handle the extra psi to it. Remember the CFI works on 9-13 psi, the HSR is gonna be closer to 40-45 psi.
I took the used fuel injector connectors I got at the local junkyard and made my own harness. I left the pigtails quite long so I have plenty to work with when I make my final connection.
Since I am using a TB that has the coolant pass through it I had a minor problem. Its in the way of the upper heater hose connection as seen here.
To rectify this problem I cut the IAC housing down to this.
For those of you that wanted to know more about a X ram here you go
Top View
Cover of the plenum removed- notice the unburned fuel on the left side?
Entire plenum removed
I still have a ton more pics so if theres anything you want to see just ask.
Pro
Joined: Jul 2002
Posts: 703
Likes: 0
From: Milwaukee Wi
When I removed my CF manifold and adopted the differing induction system I was able to cut the hard line fuel line right by the AC compresser and utilize two compression fittings to AN pushfit Aeroquip hose and same fittings. Worked well and now on my second upgrade of induction system. All reusable and idiot proof.
